* {
    margin: 0;
    padding: 0;
    overflow: hidden;
    cursor: default;
}

#background {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 100vw;
    height: 100vh;
}

#mainBody {
    position: fixed;
    right: 12.5%;
    top: 50%;
    transform: translateY(-42.5%);
    width: 35vw;
    height: 80vh;
    border-radius: 1vw;
    border: 0.3vw solid #6699CC;
    background-color: rgba(255, 255, 255, .6);
}

#mainBody>#title {
    margin-top: 1vh;
    text-align: center;
    font-size: xx-large;
}

#mainBody>#myForm {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    height: 85%;
    width: 80%;
    margin-top: 1vh;
    border-radius: 1vw;
    background-color: rgba(127, 174, 244);
}

#mainBody>#myForm>.item {
    margin-top: 1.5vh;
    padding: 0 1vw;
    font-size: 1.25vw;
}

#mainBody>#myForm>.text {
    display: flex;
}

select,
input,
textarea {
    outline: none;
    border: none;
    border-radius: .25vw;
    cursor: text;
}

label,
input[type='radio'] {
    cursor: pointer;
}

select,
input {
    flex-grow: 1;
    margin-left: .3vw;
}

option {
    text-align: center;
}

textarea {
    width: 100%;
    resize: none;
}

#submit {
    position: absolute;
    right: 1vw;
    margin-top: 1.5vh;
    width: 5vw;
    height: 4vh;
    border-radius: .25vw;
    border: none;
    outline: none;
    cursor: pointer;
}

#tabBar {
    display: flex;
    position: fixed;
    right: 4vw;
    top: 4vh;
    width: 50vw;
    height: 5vh;
    /* background-color: chocolate; */
}

#tabBar>.item {
    height: 100%;
    line-height: 5vh;
    flex-grow: 1;
    text-align: center;
    border-left: 2px solid black;
}

#tabBar>.item>span {
    cursor: pointer;
}

#tabBar .item:nth-of-type(1) {
    border-left: none;
}

#helper {
    position: fixed;
    left: 5%;
    top: 30%;
    width: 20vw;
    height: 40vh;
}

#helper>#first {
    text-align: center;
    font-size: 3.3vw;
}

#helper>#second {
    margin-top: 3vh;
    font-size: 1.5vw;
}

#helper>#third {
    margin-top: 3vh;
}

#image {
    width: auto;  
    height: auto;  
    max-width: 100%;  
    max-height: 100%;     
}